Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar..100..235d&link_type=abstract
Icarus (ISSN 0019-1035), vol. 100, no. 1, p. 235-244.
Astronomy and Astrophysics
Astronomy
21
Europa, Infrared Astronomy, Io, Jupiter Satellites, Occultation, Volcanoes, Astronomical Models, Astronomical Photometry, Light Curve, Visual Observation
Scientific paper
Results are presented on Io's hotspot activity deduced from observing the occultation of Io by Europa on February 20, 1991. The visible light curve is used to derive a first determination of the latitude and longitude corrections of the occulting satellite relative to Io with a global model of light scattering over the surface. These corrections are used in the analysis of the infrared light curve. The temperature and size of the major known volcano on Io, Loki, are determined, and evidence of a weak thermal emission from Pele is obtained.
Arlot Jean-Eudes
Bouchet Patrice
Colas Francois
Descamps Pascal
Hainaut Olivier
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